MG87FE/L2051/4051/6051
MAKE YOU WIN
Preliminary Ver 1.00
24. Instruction Set
MNEMONIC
DESCRIPTION
BYTE EXECUTION
TIME(MC)
DATA TRASFER
MOV A,Rn
Move register to Acc
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MOV A,direct
MOV A,@Ri
Move direct byte o Acc
Move indirect RAM to Acc
MOV A,#data
MOV Rn,A
Move immediate data to Acc
Move Acc to register
MOV Rn,direct
MOV Rn,#data
MOV direct,A
MOV direct,Rn
MOV direct,direct
MOV direct,@Ri
MOV direct,#data
MOV @Ri,A
Move direct byte to register
Move immediate data to register
Move Acc to direct byte
Move register to direct byte
Move direct byte to direct byte
Move indirect RAM to direct byte
Move immediate data to direct byte
Move Acc to indirect RAM
MOV @Ri,direct
MOV @Ri,#data
MOV DPTR,#data16
MOVC A,@A+DPTR
MOVC A,@A+PC
MOVX A,@Ri
MOVX A,@DPTR
MOVX @Ri,A
MOVX @DPTR,A
PUSH direct
Move direct byte to indirect RAM
Move immediate data to indirect RAM
Load DPTR with a 16-bit constant
Move code byte relative to DPTR to Acc
Move code byte relative to PC to Acc
Move external RAM(8-bit address) to Acc
Move external RAM(16-bit address) to Acc
Move Acc to external RAM(8-bit address)
Move Acc to external RAM(16-bit address)
Push direct byte onto Stack
POP direct
Pop direct byte from Stack
XCH A,Rn
Exchange register with Acc
XCH A,direct
Exchange direct byte with Acc
Exchange indirect RAM with Acc
Exchange low-order digit indirect RAM with Acc
XCH A,@Ri
XCHD A,@Ri
ARITHEMATIC OPERATIONS
ADD A,Rn
Add register to Acc
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ADD A,direct
ADD A,@Ri
ADD A,#data
ADDC A,Rn
ADDC A,direct
ADDC A,@Ri
ADDC A,#data
SUBB A,Rn
Add direct byte to Acc
Add indirect RAM to Acc
Add immediate data to Acc
Add register to Acc with Carry
Add direct byte to Acc with Carry
Add indirect RAM to Acc with Carry
Add immediate data to Acc with Carry
Subtract register from Acc with borrow
This document information is the intellectual property of Megawin Technology.
© Megawin Technology Co., Ltd. 2009 All rights reserved.
QP-7300-03D
53/56
MEGAWIN [ MEGAWIN TECHNOLOGY CO., LTD ]
